Vacuum cleaner



FIG. 1 is perspective view of a vacuum cleaner showing my ornamental design;

FIG. 2 is perspective view of the vacuum cleaner shown in FIG. 1;

FIG. 3 is a right side view of the vacuum cleaner shown in FIG. 1;

FIG. 4 is a left side view of the vacuum cleaner shown in FIG. 1;

FIG. 5 is a front plan view of the vacuum cleaner shown in FIG. 1;

FIG. 6 is a rear plan view of the vacuum cleaner shown in FIG. 1;

FIG. 7 is a top plan view of the vacuum cleaner shown in FIG. 1;

FIG. 8 is a bottom plan view of the vacuum cleaner shown in FIG. 1;

FIG. 9 is an enlarged view of a portion of the vacuum cleaner shown in FIG. 1; and,

FIG. 10 is an enlarged view of a portion of the vacuum cleaner shown in FIG. 1, showing the detail in an alternate position. 

The ornamental design for a vacuum cleaner, as shown and described. 